[V6-12v] Just bought a 96 A6A

[Nathan White]

I used a shop vac as the compressed air source. Simply set the vac to 
'blow',  and watch the coolant fly out the bleed screws/drain. Worked 
great. I used Pentosin pink stuff, so far so good.

NW

Tom Christiansen wrote:

> Ron,
>
>> > Timing belts are designed to last well over 100k,
>> > but
>> > to be safe changing them between 60k and 75k is
>> > prudent.  The issue is more the waterpump bearing
>> > freezing then the belt it self.
>>
>>   Are there any seals or anything like that,
>>  that should be changed as well?
>
>
> Get a timing belt kit. It'll tell you what to replace. On my car (1994 
> 90S), the following items are normally replaced during the T-belt job:
>
> * Accessory belt
> * Timing belt (duh!)
> * Timing belt tensioner
> * Timing belt idler roller
> * Water pump
> * Thermostat
> * Coolant
>
> Audi switched from the blue long-life stuff to the red/pink long-life 
> stuff. There's been several long discussions about if you should use 
> the Audi brand coolant or if you could go with a different brand of 
> long-life coolant. The Audi stuff is roughly twice the price of the 
> non-Audi stuff. But then you don't need all that much of it anyway. 
> It's up to you what you want to do.
>
> If your car has blue or green coolant in it, you need to thoroughly 
> flush the coolant system before putting any red/pink coolant in 
> there!! The procedure is as follows:
> * Drain coolant from cock on radiator and pull the drain plug at the 
> rear of the engine.
> * Apply compressed air to the expansion tank to blow out any remaining 
> coolant.
> * Fill cooling system with distilled water. Bleed system.
> * Run engine for a minimum of two minutes.
> * Drain and apply compressed air as before.
> * Replace rubber seal on the drain plug on the engine. Reinstall plug.
> * Fill with the appropriate mix of red/pink Audi coolant (G012 A8D A1).
>
> I don't have access to compressed air, so I just ran water through the 
> engine until the output no longer looked green. Then I flushed with 
> distilled water and filled with coolant.
>
> Tom
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